Kainen is a distinctive boys' name in United States, ranking #4355 in 1997 with 15 recorded births. This places Kainen in the top 40% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2018 with 100 births ranking #1634. Since 1996, the popularity has decreased by 11.8%. In 1997, approximately 1 in every 125,673 boys born was named Kainen. FALLING Recent data shows the name is currently falling.